<?php

/**
 * This is the model class for table "messenger".
 *
 * The followings are the available columns in table 'messenger':
 * @property integer $id
 * @property integer $user_id
 * @property integer $friend_id
 * @property string $posttime
 * @property string $content
 * @property integer $reader
 *
 * The followings are the available model relations:
 * @property User $friend
 * @property User $user
 */
class Messenger extends CActiveRecord
{
	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return 'messenger';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('user_id, friend_id, posttime, content, reader', 'required'),
			array('user_id, friend_id, reader', 'numerical', 'integerOnly'=>true),
			// The following rule is used by search().
			// @todo Please remove those attributes that should not be searched.
			array('id, user_id, friend_id, posttime, content, reader', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
			'friend' => array(self::BELONGS_TO, 'User', 'friend_id'),
			'user' => array(self::BELONGS_TO, 'User', 'user_id'),
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'id' => 'ID',
			'user_id' => 'User',
			'friend_id' => 'Friend',
			'posttime' => 'Posttime',
			'content' => 'Content',
			'reader' => 'Reader',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 *
	 * Typical usecase:
	 * - Initialize the model fields with values from filter form.
	 * - Execute this method to get CActiveDataProvider instance which will filter
	 * models according to data in model fields.
	 * - Pass data provider to CGridView, CListView or any similar widget.
	 *
	 * @return CActiveDataProvider the data provider that can return the models
	 * based on the search/filter conditions.
	 */
	public function search()
	{
		// @todo Please modify the following code to remove attributes that should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('id',$this->id);
		$criteria->compare('user_id',$this->user_id);
		$criteria->compare('friend_id',$this->friend_id);
		$criteria->compare('posttime',$this->posttime,true);
		$criteria->compare('content',$this->content,true);
		$criteria->compare('reader',$this->reader);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}

	/**
	 * Returns the static model of the specified AR class.
	 * Please note that you should have this exact method in all your CActiveRecord descendants!
	 * @param string $className active record class name.
	 * @return Messenger the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}

	public function add()
	{
		$this->attributes=$_POST['Messenger'];
		return $this->save();
	}
	public function  view($messenger_id)
	{
		return $this->findByPk($messenger_id)->attributes;
	}
	public function remove($messenger_id)
	{
		return $this->deleteByPk($messenger_id);
	}

	public function viewListNotification($user_id)
	{
		//Hiển thị các tin nhắn gửi chưa đọc
		$Criteria = new CDbCriteria();
		$Criteria->condition = "friend_id = $user_id AND `read` = 0";
		$data = $this->findAll($Criteria);
		return $data;
	}

	public function messengerRead($user_id,$friend_id)
	{
		$sql = 'UPDATE `messenger` SET `read`=1 WHERE `user_id` = '.$friend_id.' AND `friend_id` = '.$user_id.' AND `read` = 0';
		$query=Yii::app()->db->createCommand($sql)->execute();
		return $query;
	}

	public function getQuantityUnread($user_id)
	{
		$sql='
			SELECT
				COUNT(`user_id`) As quantityUnread
			FROM
				messenger
			WHERE
				`friend_id` = '.$user_id.'
			AND
				`read` = 0
			GROUP BY
				`user_id`';
		$query=Yii::app()->db->createCommand($sql)->queryAll();
		return $query;
	}
}
